Route 101

Access to:
North: Oldale Town
South: Littleroot Town

Pokémon

Wild Zigzagoon have a 5% chance of holding an Oran Berry.
Wild Poochyena have a 5% chance of holding a Pecha Berry.

Static

All Versions
Pokémon		Level	Games			Notes
	Poochyena	2	R	S	E	This Poochyena is encountered when the player enters Route 101 the first time; the player must choose a starter to battle it. It cannot be captured. If the player's starter Pokémon goes below 20% health while fighting it, it will flee.
	Zigzagoon	2	R	S	E	This Zigzagoon is encountered when the player enters Route 101 the first time; the player must choose a starter to battle it. It cannot be captured. If the player's starter Pokémon goes below 20% health while fighting it, it will flee.

Gift

All Versions
	Level	Notes
Treecko	5	Obtained from Professor Birch. Mutually exclusive with Torchic and Mudkip.
Torchic	5	Obtained from Professor Birch. Mutually exclusive with Treecko and Mudkip.
Mudkip	5	Obtained from Professor Birch. Mutually exclusive with Treecko and Torchic.

Walking

Pokémon

Pokémon that can be obtained via the DexNav as Hidden Pokémon can be up to 29 levels higher than their levels here: any individual Hidden Pokémon can be up to 10 levels higher than their natural highest level, and an additional 19 levels can be added by chaining hidden encounters.

Wild Zigzagoon have a 50% chance of holding a Potion and a 5% chance of holding a Revive.
Wild Wurmple have a 50% chance of holding a Pecha Berry and a 5% chance of holding Bright Powder.
Wild Sewaddle have a 5% chance of holding a Mental Herb.

Static

All Versions
	Level	Notes
Poochyena	2	This Poochyena is encountered when the player enters Route 101 the first time; the player must choose a starter to battle it. It cannot be captured.
Wurmple	3	This Wurmple is always the first Pokémon the player encounters when walking through the grass.
Poochyena	5	This Poochyena is encountered when Brendan/May provides a tutorial on hidden Pokémon. If the player's starter Pokémon is Treecko, it will know Thunder Fang. If the player's starter Pokémon is Torchic, it will know Ice Fang. If the player's starter Pokémon is Mudkip, it will know Fire Fang.

Gift

All Versions
	Level	Notes
Treecko	5	Obtained from Professor Birch. Mutually exclusive with Torchic and Mudkip.
Torchic	5	Obtained from Professor Birch. Mutually exclusive with Treecko and Mudkip.
Mudkip	5	Obtained from Professor Birch. Mutually exclusive with Treecko and Torchic.
Chikorita	5	Obtained from Professor Birch after speaking to Zinnia after defeating the Elite Four. Mutually exclusive with Cyndaquil and Totodile.
Cyndaquil	5	Obtained from Professor Birch after speaking to Zinnia after defeating the Elite Four. Mutually exclusive with Chikorita and Totodile.
Totodile	5	Obtained from Professor Birch after speaking to Zinnia after defeating the Elite Four. Mutually exclusive with Chikorita and Cyndaquil.
Snivy	5	Obtained from Professor Birch after completing the Delta Episode. Mutually exclusive with Tepig and Oshawott.
Tepig	5	Obtained from Professor Birch after completing the Delta Episode. Mutually exclusive with Snivy and Oshawott.
Oshawott	5	Obtained from Professor Birch after completing the Delta Episode. Mutually exclusive with Snivy and Tepig.
Turtwig	5	Obtained from Professor Birch after defeating the Elite Four a second time. Mutually exclusive with Chimchar and Piplup.
Chimchar	5	Obtained from Professor Birch after defeating the Elite Four a second time. Mutually exclusive with Turtwig and Piplup.
Piplup	5	Obtained from Professor Birch after defeating the Elite Four a second time. Mutually exclusive with Turtwig and Chimchar.